Lint: Update outdated package dependencies & reformat files (#3291)

* Update `sphinx-lint` package dependency version number → 0.6.8

This new release includes the changes from
https://github.com/sphinx-contrib/sphinx-lint/pull/56/files,
which should address
https://github.com/python/peps/issues/3028. For details
about `sphinx-lint` release 0.6.8, see
https://github.com/sphinx-contrib/sphinx-lint/releases/tag/v0.6.8.

* Update other outdated dependencies

Run the following:

```
python -m pip install pre-commit
pre-commit autoupdate
pre-commit run --all-files
```

.pre-commit-config.yaml

@@ -43,7 +43,7 @@ repos:
         name: "Check YAML"
 
   - repo: https://github.com/psf/black
-    rev: 22.12.0
+    rev: 23.7.0
     hooks:
       - id: black
         name: "Format with Black"
@@ -61,13 +61,13 @@ repos:
         files: 'pep_sphinx_extensions/tests/.*'
 
   - repo: https://github.com/tox-dev/tox-ini-fmt
-    rev: 0.6.1
+    rev: 1.3.1
     hooks:
       - id: tox-ini-fmt
         name: "Format tox.ini"
 
   - repo: https://github.com/sphinx-contrib/sphinx-lint
-    rev: v0.6.7
+    rev: v0.6.8
     hooks:
       - id: sphinx-lint
         name: "Sphinx lint"
@@ -92,7 +92,7 @@ repos:
 
   # Manual codespell check
   - repo: https://github.com/codespell-project/codespell
-    rev: v2.2.2
+    rev: v2.2.5
     hooks:
       - id: codespell
         name: "Check for common misspellings in text files"

pep_sphinx_extensions/tests/pep_zero_generator/test_parser.py

@@ -87,7 +87,6 @@ def test_parse_authors(test_input, expected):
 
 
 def test_parse_authors_invalid():
-
     pep = parser.PEP(Path("pep-0008.txt"))
 
     with pytest.raises(PEPError, match="no authors found"):

tox.ini

@@ -1,12 +1,14 @@
 [tox]
-envlist =
+requires =
+    tox>=4.2
+env_list =
     py{312, 311, 310, 39}
-skipsdist = true
+no_package = true
 
 [testenv]
-passenv =
-    FORCE_COLOR
 deps =
     -rrequirements.txt
+pass_env =
+    FORCE_COLOR
 commands =
     python -bb -X dev -W error -m pytest {posargs}